[package-directory] RootDir::new error variant for missing meta.far

RootDir clients may want to know if the error was caused by the
meta.far not being present in storage (e.g. pkg-cache activating cache
packages, in which case an absent cache package is not an error), and
without this new variant it is difficult for clients to know which
variant corresponds to a missing meta.far (and we weren't guaranteeing
it wouldn't change).

Change-Id: Ibbf25318a74b9e7297fd0684f6459f1830475f56
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/697125
Reviewed-by: Sen Jiang <senj@google.com>
Fuchsia-Auto-Submit: Ben Keller <galbanum@google.com>
Commit-Queue: Ben Keller <galbanum@google.com>
2 files changed
tree: ee5f63aa6626c861ffd93821b8214d5cbebc1119
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. products/
  7. scripts/
  8. sdk/
  9. src/
  10. third_party/
  11. tools/
  12. zircon/
  13. .clang-format
  14. .clang-tidy
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .style.yapf
  21. analysis_options.yaml
  22. AUTHORS
  23. BUILD.gn
  24. CODE_OF_CONDUCT.md
  25. CONTRIBUTING.md
  26. LICENSE
  27. OWNERS
  28. PATENTS
  29. pyrightconfig.json
  30. README.md
  31. rustfmt.toml
README.md

Fuchsia

What is Fuchsia?

Fuchsia is an open source, general purpose operating system supporting modern 64-bit Intel and ARM processors.

We expect everyone interacting with our project to respect our code of conduct.

Read more about Fuchsia's principles.

How can I build and run Fuchsia?

See Getting Started.

Where can I learn more about Fuchsia?

See fuchsia.dev.